Most sperm cells die in the vagina when entering the female's body because
A) the sperm cannot pass through the mucus.
B) the female's reproductive tract is protected by digestive enzymes.
C) of the low pH of the vagina.
D) the sperm cells have not yet been activated to swim.
E) macrophages from the female's immune system destroy all nonself cells.

Question

Quizplus · Accepted Answer

The low pH of the vagina creates an acidic environment that is hostile to sperm cells, causing many of them to die.

Most Sperm Cells Die in the Vagina When Entering the Female's